Updating row Item | Data Repeater with Sub Dialog

In the data repeater row...I had implemented the sub-data flow button and updating a field in the row by a flow. This needs to happen for every and each row. What happening right now is the result of the sub-data flow button is updating every rows field but I need like row A sub data button clicked and should update only the row A field not all of the rows field.
[i]edited by Ankur on 8/31/2020[/i]